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WO2005011980A1 - Systeme et procede de commande d'alignement avant pour rotative - Google Patents

Systeme et procede de commande d'alignement avant pour rotative Download PDF

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Publication number
WO2005011980A1
WO2005011980A1 PCT/CN2004/000795 CN2004000795W WO2005011980A1 WO 2005011980 A1 WO2005011980 A1 WO 2005011980A1 CN 2004000795 W CN2004000795 W CN 2004000795W WO 2005011980 A1 WO2005011980 A1 WO 2005011980A1
Authority
WO
WIPO (PCT)
Prior art keywords
register
control motor
registration
plate cylinder
rotary printing
Prior art date
Application number
PCT/CN2004/000795
Other languages
English (en)
French (fr)
Inventor
Li Sun
Original Assignee
Li Sun
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Li Sun filed Critical Li Sun
Publication of WO2005011980A1 publication Critical patent/WO2005011980A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices

Definitions

  • the present invention relates to a technical field of an electronically controlled full-automatic front-end horizontal and vertical register adjustment system for a rotary printing press and a front-end horizontal and vertical register adjustment method thereof.
  • the principle of the registration technology of the rotary printing press mainly adopts the measurement, comparison, and calculation of the tension or elongation of the roll paper for control, that is, when the tension or elongation of the roll paper is controlled Adjust it to a constant value all the time; At the same time, it is required that the edge of the roll paper has a high verticality (also known as low serpentine), otherwise it will affect the printing quality because of the serpentine of the roll paper and the unregistrable printing registration.
  • the technical register adjustments are all post-installed, that is, the size of the error can be detected after the plate cylinder is printed, and the adjustment is caused, resulting in a large amount of material waste.
  • the register adjustment used is generally manual-a low control accuracy High labor intensity; or electronic circuit control-complex circuits and high failure rate.
  • register control devices for printing presses such as the "microcomputer automatic overprint device" disclosed in the utility model patent specification with the patent application number 95209458.4, which is composed of an overprint control box, a reversible motor and adjustment.
  • the roller, printing plate, photoelectric head, photoelectric detection box and control computer are composed of a printing plate composed of a first printing plate and subsequent printing plates.
  • the first printing plate color mark is composed of a synchronization head, overprinting space and equal-spaced color marks.
  • the color scale of the printing plate is composed of blank color scales; the photoelectric detection circuit receives the electrical signals generated by the photoelectric head, and after amplification, differentiation, pulse formation, and other processing, it sends two signals of the standard and space to the microcomputer; the computer outputs the control signal to the reversible through operation Motor for overprint adjustment.
  • the above-mentioned device adopts a post-type adjustment method for calculating the error of color mark overprint, resulting in waste of paper; and the photoelectric detection and control circuit is complicated and the failure rate is high.
  • Another example is the patent application publication No. 01102968.
  • the device of this method controls the related register adjuster, control circuit, and tension control device by means of a pulse generator, register error calculation circuit, and automatic control circuit, so as to adjust the compaction roller and complete automatic register adjustment.
  • the adjustment method used in this patent is cumbersome and technically demanding, while the corresponding equipment structure is complicated, making adjustment difficult.
  • Another example is the patent application No. 22217753.1, the "digital printing cylinder register control device" disclosed in the utility model patent specification. This patent manually touches the operation screen, and then through the connected programmable controller, computer communication master station, The computer intelligent terminal drives the registration motor to complete the alignment. This patent is to complete the registration adjustment through manual operation, which fails to achieve fast accuracy and guaranteed accuracy.
  • the present invention departs from the principle of register adjustment using the change of tightness of the roll paper in the prior art, overcomes the disadvantages of register adjustment, manual operation, and complex device structure, and captures the key factors that affect register displacement Factors.
  • the purpose of the present invention is to provide a full-automatic system for front-end horizontal and vertical registration of a rotary printing press and a front-end registration method to achieve simple, convenient, fast and accurate pre-press horizontal and vertical registration. Ensure print quality and minimize paper loss.
  • the above object of the present invention is achieved by the following technical solutions ⁇ Full-automatic pre-registration electronically controlled system for rotary printing presses.
  • a computer In addition to the web, plate cylinder and its stand of the rotary printing press, it consists of a computer, a standard sample collection device, a horizontal register control motor and a vertical register control motor .
  • the connection between the computer in the system, the standard sample acquisition device, the horizontal register control motor and the vertical register control motor is a communication bus.
  • Its standard sample set device is installed in front of each plate cylinder except the first plate cylinder.
  • the horizontal register control motor and the vertical register control motor are stepper motors.
  • the longitudinal register control motors On the plate cylinders other than the first plate cylinder; the longitudinal register control motors are respectively arranged on the brackets of the plate cylinders other than the first plate cylinder.
  • the pre-registration method of the pre-registration electronically controlled full-automatic system of the rotary printing press is:
  • the standard sample collection device detects the standard set sample before it enters each plate cylinder except the first plate cylinder, and the signal passes the computer
  • the horizontal register control motor and the vertical register control motor perform pre-registration on the plate cylinder.
  • the standard sample collecting device presets the position of the plate cylinder in the computer.
  • the roll paper enters the first plate cylinder in the rotary printing press according to the paper feeding direction and starts to print the first color, a registration mark is printed at the edge of the roll paper, and the registration mark is printed. With the feeding direction of the roll paper, it is synchronously entered into the subsequent plate cylinder during the entire printing process.
  • the standard sample collection device sends the collected position signal of the registration standard sample to the computer through a connection after processing.
  • the computer calculates the horizontal and vertical error values based on the position signal of the pre-registered cylinder and the registration standard, and sends the horizontal and vertical registration parameters to the horizontal registration control motor and the vertical registration control motor via a connection.
  • the transverse register control motor rotates forward (reverse) according to the transverse register parameter. Before the roll paper enters the plate cylinder, it drives the plate cylinder to move the register in the lateral movement direction of the plate cylinder. Longitudinal registration The control motor rotates forward (backward) according to the longitudinal registration parameters. Before the roll paper enters the plate cylinder, it drives the plate cylinder to move the register according to the longitudinal direction of the plate cylinder.
  • a pre-registered electronically controlled full-automatic system and a pre-registered method for a rotary printing machine are provided by a standard sample collecting device placed in front of a plate cylinder, and the registration standard samples are collected, processed, and sent immediately.
  • Corresponding electrical signals are sent to the computer, which are processed and calculated by software in the computer.
  • the horizontal and vertical registration parameters are sent to the horizontal registration control motor and vertical registration control motor of the plate cylinder respectively.
  • the horizontal registration control motor is based on the horizontal registration parameters. Forward (reverse) rotation, before the roll paper enters the plate cylinder, that is, before the second color and subsequent colors are printed, the corresponding plate cylinder is first moved laterally to register, and the longitudinal register control motor is adjusted according to the longitudinal register parameters.
  • FIG. 1 Schematic diagram of the top view of a rotary printer's front-end register electronically controlled full-automatic system
  • Figure 2 Schematic diagram of the side-view structure of a pre-registered electronically controlled full-automatic system of a rotary printing press
  • FIG. 1.2 An embodiment of the present invention "front-end register electronically controlled full-automatic system and front-end register method for rotary printing presses" of the present invention is shown in FIG. 1.2.
  • This system consists of web 2 of printing presses, plate cylinders 3. 4. 5.
  • N and computer 1, standard sample collection device 6. 7. M, lateral register control motor 8. 9. K and longitudinal register control Composition of motor 13. 14. L.
  • the computer in the system 1, the standard sample collection device 6. 7. M, the horizontal register control motor 8. 9. k and the vertical register control motor 13. 14. L are connected as a communication bus.
  • N the standard sample collecting device 6. 7. M is a color signal camera.
  • Lateral register control motor 8. 9. K and longitudinal register control motor 13. 14. L are stepper motors; Lateral register control motor 8. 9. K are separately installed on the side except the first plate cylinder 3. Each plate cylinder 4. 5. N; longitudinal register control motor 13. 14. L is fitted to the bracket of each plate cylinder [4. 5. N] except the first plate cylinder 3 15. 16. J on. The so-called plate cylinder 3. 4. 5. N in N, standard sample collection device 6. 7. M in M, lateral register control motor 8. 9. K in K, and longitudinal register control motor 13 14.
  • the L in L which is the NMK L designation, is a number of continuous plate cylinders N, a standard sample collection device M, and a horizontal register control motor K and The longitudinal register control motor L is provided.
  • the pre-registered electronically controlled full-automatic system of the rotary printing press is: standard sample collection device 6. 7. M in the standard set sample 10 into each plate cylinder 4. 5. N Before the detection, the signal is passed through the computer 1. The horizontal register control motor 8. 9. K and the vertical register control motor 13. 14. L, and the plate cylinder 4. 5. N is pre-registered. When starting work, preset the position of the plate cylinder 4. 5. N into the computer 1 through the standard sample collecting device 6. 7. M.
  • the roll paper 2 feeds in the paper feed direction 11 and prints the first color on the plate cylinder 3, and at the same time, a registration standard sample 10 is printed on the margin of the paper, and the registration standard Sample 10 continues with the roll paper 2 in the paper feed direction 11 before the plate cylinder 4.
  • the standard sample collecting device 6 can collect the position signal of the reference standard 10, which is processed and sent to the computer 1 through the connection.
  • the computer 1 calculates the horizontal and vertical error values according to the preset position signal of the plate cylinder 4 and the signal of the registration standard 10 through software detection and comparison, and then connects through the interface of the computer 1 to be calibrated.
  • the horizontal and vertical numerical parameters are transmitted to the horizontal register control motor 8 and the vertical register control motor 13 of the plate cylinder 4.
  • the horizontal register control motor 8 adjusts the horizontal numerical parameters ⁇ (reverse) rotation as required, and enters the plate on the roll paper.
  • the second color is being printed! 3 ⁇ 4
  • the longitudinal register control motor 13 rotates forward and backward according to the required longitudinal numerical parameters.
  • the standard sample collecting device 7 can collect the position signal of the reference standard sample 10 following the paper feed. After the signal is processed, it is passed through the connector. The line is sent to the computer 1.
  • the computer 1 calculates the horizontal and vertical error values according to the preset position signal of the plate cylinder 5 and the signal of the registration standard 10 through software detection and comparison, and then connects through the interface of the computer 1.
  • the horizontal and vertical numerical parameters that need to be calibrated are transmitted to the horizontal register control motor 9 and the vertical register control motor 14 of the plate cylinder 5.
  • the horizontal register control motor 9 rotates forward (reverse) according to the required horizontal numerical parameters.
  • the plate cylinder 5 Before the roll paper enters the plate cylinder 5, that is, before the third color printing is performed, the plate cylinder 5 is firstly moved to register in the lateral movement direction 12 of the plate cylinder; the longitudinal register control motor 14 calibrates the longitudinal numerical parameters (reverse ), Before the roll paper enters the plate cylinder 5, that is, before the third color printing, first drive the plate cylinder 5 to register according to the longitudinal movement direction 17 of the plate cylinder, so as to realize Front lateral, vertical alignment adjustment to ensure accurate printing of the third color and the first color, second color registration.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Description

轮转印刷机前置式套准电控全自动系统及前置式套准方法
[技术领域] 本发明涉及一种对轮转印刷机进行电控全自动前置式横、纵向套准调节系统及 其前置式横、 纵向套准调节方法的技术领域。
[背景技术] 为确保轮转印刷机的印刷质量， 如何进行版滚筒套准的精度调节是关键技术。 到目前为止， 轮转印刷机套准技术的原理主要采用测定、 比较、 计算卷筒纸的张紧力或拉长 力进行控制， 也就是说要把卷筒纸的张紧力或拉长力时时刻刻调整到恒定值； 同时还要求卷 筒纸张的边沿垂直度高（又称蛇形度低）， 否则会因为卷筒纸蛇形， 印刷套准无法控制而影响 印刷质量； 另一方面现有技术的套准调节都是釆用后置式， 即在版滚筒印刷后， 才能检测出 误差大小， 进行调节， 造成大量材料浪费； 再而使用的套准调节一般采用手动式-一控制精度 低、 劳动强度大； 或采用电子线路控制一-电路复杂、 故障率高。
现有技术中， 用于印刷机套准控制装置结构类型很多， 如专利申请号为 95209458. 4的实 用新型专利说明书公开的 "微机自动套印装置"， 该装置由套印控制箱、 可逆电机及调整辊、 印刷版、 光电头、 光电检测箱及控制计算机组成， 其印刷版由第一印版和后续印版组成， 第 一印版色标由同步头、 套印空格和等间距色标组成， 后续印版色标由填空色标构成； 光电检 测电路接受光电头产生的电信号， 经放大、 微分、 脉冲形成等处理后， 送出色标和空格两信 号至微机； 计算机通过运算输出控制信号至可逆电机， 实现套印调整。 上述装置采用计算色 标套印误差的方法后置式调整， 造成纸张浪费； 且光电检测和控制线路复杂， 故障率高。 又 如专利申请号为 01102968. 4的发明专利申请公开说明书"对轮转印刷机的印刷内容进行自动 套准调节的方法和实施该方法的设备"，该专利所述的调整方法， 需要分别对印刷机组成的一 系列印刷机组的压紧滚筒、 扫描头反复进行调整及定位作业， 在此基础上进行被称为 "规矩 线对滚筒"测定套准误差， 再借助补偿辊或印版滚筒、 以恒定卷筒纸张紧力对套准误差进行 校正， 继而再以称为 "规矩线对规矩线"的模式测定残余套准误差、 借助补偿辊对残余套准 误差进行校正， 方法非常繁琐， 而实现该方法的设备借助脉冲发生器、 套准误差计算电路、 自动控制电路等控制相关的套准调节器、 控制电路、 张紧力控制装置， 从而达到调整压紧滚 筒， 完成自动套准调节。 该专利所使用的调节方法繁琐， 技术要求高， 而对应的设备结构复 杂， 调整难度大。 再如专利申请号为 02217753. 1， 实用新型专利说明书公开的 "数字式印刷 滚筒套准控制装置"， 该专利通过人工操作触摸操作屏， 然后通过连接的可编程控制器、计算 机通讯主站、 计算机智能终端驱动套准电机， 完成调准。 该专利是通过人工操作完成套准调 节， 未能达到快速准确和保证精度。
[发明内容]本发明脱离了已有技术利用卷筒纸张紧力变化来实现套准调节的原理， 克服套 准调节后置式、人工操作、装置结构复杂的缺点， 抓住了影响套准位移关键因素， 进行研究。 本发明的目的在于提供一种轮转印刷机前置式横、 纵向套准电控全自动系统及前置式套准方 法， 以实现简捷、 方便、 快速、 准确进行印前横、 纵向套准， 确保印刷质量和最大限度的降 低纸张损耗。
本发明的上述目的是通过下述技术方案实现的- 轮转印刷机前置式套准电控全自动系统， 除轮转印刷机的卷筒纸、 版滚筒及其支架外， 由计算机、 标样采集装置、 横向套准控制电机和纵向套准控制电机组成。 系统中的计算机、 标样采集装置、 横向套准控制电机和纵向套准控制电机之间连线为通讯总线。 其标样釆集装 置分别对应安装在除第一个版滚筒外的各版滚筒前方； 横向套准控制电机和纵向套准控制电 机均为步进电机， 横向套准控制电机分别配装在除第一个版滚筒外的各版滚筒上； 纵向套准 控制电机分别配装在除第一个版滚筒外的各版滚筒的支架上。
轮转印刷机前置式套准电控全自动系统的前置式套准方法是： 标样釆集装置在标准套样 进入除第一个版滚筒外的各版滚筒前进行检测， 信号通过计算机、 横向套准控制电机和纵向 套准控制电机， 对版滚筒进行前置套准。 在开始印刷时， 标样采集装置将版滚筒的位置预置 于计算机中。 在卷筒纸按走纸方向进入轮转印刷机中的第一个版滚筒、 并开始印刷第一色的 同时、 在该卷筒纸边沿同时印出一个套准标样， 且该套准标样随卷筒纸的走纸方向、 在印刷 全过程同步进入以后的版滚筒中。 在套准标样随卷筒纸的走纸方向行进到版滚筒前， 标样采 集装置将采集到的套准标样的位置信号， 经处理后通过连线送至计算机。 计算机根据预置入 版滚筒的位置信号与套准标样比较， 计算出横向和纵向误差值， 经连线将横向和纵向套准参 数分别送至横向套准控制电机和纵向套准控制电机。 横向套准控制电机根据横向套准参数正 (反）转， 在卷筒纸进入版滚筒前， 带动版滚筒按版滚筒横向移动方向移动套准。 纵向套准 控制电机根据纵向套准参数正 （反） 转， 在卷筒纸进入版滚筒前， 带动版滚筒按版滚筒纵向 移动方向移动套准。
本发明提供的轮转印刷机前置式套准电控全自动系统及前置式套准方法， 由前置于版滚 筒的标样采集装置， 完成套准标样的采集、 处理并即吋送出相应的电信号至计算机， 在计算 机内经过软件处理计算， 将橫向和纵向套准参数分别送至版滚筒的横向套准控制电机和纵向 套准控制电机， 横向套准控制电机根据横向套准参数正 （反） 转， 在卷筒纸进入版滚筒前， 即在进行第二色及依次以后各色印刷前， 先行带动相应的版滚筒横向移动套准， 纵向套准控 制电机根据纵向套准参数正 （反）转， 在卷筒纸进入版滚筒前， 即在进行第二色及依次以后 各色印刷前， 先行带动相应的版滚筒纵向移动套准， 实现印前横、 纵向套准调节。 其实用的 技术效果是： 系统结构简单， 印前误差处理， 实时跟踪套准， 电控全自动瞬间标样横、 纵向 前置套准。 适于实用， 且材料和工时耗损最小， 具有很好的经济效益和社会效益。
[附图说明] 图 1 轮转印刷机前置式套准电控全自动系统顶视结构示意图
图 2轮转印刷机前置式套准电控全自动系统侧视结构示意图
附图中： 1. 计算机 ； 2. 卷筒纸； 3. 4. 5. N. 版滚筒； 6. 7. M. 标样采集装置 ； 8. 9. K. 横 向套准控制电机； 10. 套准标样； 11. 走纸方向； 12.版滚筒横向移动方向； 13. 14. L. 纵向 套准控制电机； 15. 16. J版滚筒 [4. 5. N] 的支架； 17. 版滚筒纵向移动方向。
[具体实施方式] 本发明 "轮转印刷机前置式套准电控全自动系统及前置式套准方法"的一 个实施例， 见附图 1. 2所示。 本系统由轮转印刷机的卷筒纸 2、 版滚筒 3. 4. 5. N及计算机 1、 标样采集装置 6. 7. M、 横向套准控制电机 8. 9. K和纵向套准控制电机 13. 14. L组成。 系统中的计算机 1、 标样采集装置 6. 7. M、 横向套准控制电机 8. 9. k和纵向套准控制电机 13. 14. L之间连线为通讯总线。 标样采集装置 6. 7. M, 分别对应安装在除第一个版滚筒 3 外的各版滚筒 4. 5. N的前方， 本实施例釆用的标样采集装置 6. 7. M为^色信号式摄像机。 横向套准控制电机 8. 9. K和纵向套准控制电机 13. 14. L均为步进电机； 横向套准控制电 机 8. 9. K分别配装在除第一个版滚筒 3外的各版滚筒 4. 5. N上； 纵向套准控制电机 13. 14. L 分别配装在除第一个版滚筒 3外的各版滚筒 [ 4. 5. N] 的支架 15. 16. J上。 所谓的版滚 筒 3. 4. 5. N中的 N、 标样釆集装置 6. 7. M中的 M、 横向套准控制电机 8. 9. K中的 K， 和纵向套准控制电机 13. 14. L中的 L， 即 N. M. K. L标号， 是考虑轮转印刷机印刷不同数 量的配色纸张时， 需要相应配套多个连续的版滚筒 N、 标样采集装置 M、 横向套准控制电机 K 和纵向套准控制电机 L而设的。
在实施例中， 轮转印刷机前置式套准电控全自动系统其前置式套准方法是： 标样采集装 置 6. 7. M在标准套样 10进入各版滚筒 4. 5. N前进行检测， 信号通过计算机 1、 横向套准控制 电机 8. 9. K和纵向套准控制电机 13. 14. L, 对版滚筒 4. 5. N进行前置套准。 开始工作时， 通 过标样采集装置 6. 7. M将版滚筒 4. 5. N的位置预置入计算机 1中。 当系统开始印刷， 卷 筒纸 2按走纸方向 11走纸，在版滚筒 3上印第一色的同时，在该纸的边沿空白处即时印上套 准标样 10， 且该套准标样 10随卷筒纸 2沿走纸方向 11继续行进到版滚筒 4前， 标样采集装 置 6即可采集到基准标样 10的位置信号， 该信号经处理后， 通过连线送至计算机 1， 计算机 1根据预置入的版滚筒 4的位置信号与套准标样 10的信号， 经软件检测、 比较， 计算出横向 和纵向误差值， 然后通过计算机 1的接口连线， 将需要校准的横向和纵向数值参数传送至版 滚筒 4的横向套准控制电机 8和纵向套准控制电机 13; 横向套准控制电机 8根据需要校准的 横向数值参数 ΪΗ (反） 转， 在卷筒纸进入版滚筒 4前， 即在进行第二色色印刷！ ¾, 先行带动 版滚筒 4按版滚筒横向移动方向 12移动套准， 纵向套准控制电机 13根据需要校准的纵向数 值参数正 （反）转， 在卷筒纸进入版滚筒 4前， 即在进行第二色色印刷前， 先行带动版滚筒 4按版滚筒纵向移动方向 17移动套准， 实现印前横， 纵向套准调节， 保证第二色的印刷精确 与第一色套准， 确保印刷质量。 同样当卷筒纸 2按走纸方向 11进入版滚筒 5前， 标样采集装 置 7即可采集到的随着走纸而来的基准标样 10的位置信号，该信号经处理后，通过连线送至 计算机 1， 计算机 1根据预置入的版滚筒 5的位置信号与套准标样 10的信号， 经软件检测、 比较， 计算出横、 纵向误差值， 然后通过计算机 1的接口连线， 将需要校准的横向和纵向数 值参数传送至版滚筒 5的横向套准控制电机 9和纵向套准控制电机 14; 横向套准控制电机 9 根据需要校准的横向数值参数正 （反）转， 在卷筒纸进入版滚筒 5前， 即在进行第三色印刷 前， 先行带动版滚筒 5按版滚筒橫向移动方向 12移动套准； 纵向套准控制电机 14根据需要 校准的纵向数值参数正 （反） 转， 在卷筒纸进入版滚筒 5前， 即在进行第三色印刷前， 先行 带动版滚筒 5按版滚筒纵向移动方向 17移动套准， 实现印前横、 纵向套准调节， 保证第三色 的印刷精确与第一色、 第二色套准。 以后各式依此顺序调整， 即可以最快的速度、 最高的精 度， 实现在印刷过程中前置套准， 既保证印刷质量， 又适于实用， 且材料和工时耗损最小。

Claims

权利要求
1、 一种轮转印刷机前置式套准电控全自动系统， 它由轮转印刷机的卷筒纸 [2]、 版滚筒 [3.4.5.N]和版滚筒 [4.5.N]的支架 . [15.16. J]组成。 其特征在于： 所述的轮转印刷机前 置式套准电控全自动系统由计算机 [1]、标样采集装置 [6.7.M]、横向套准控制电机 [8.9. K] 和纵向套准控制电机 [13.14.L]构成， 计算机 [1]、 标样采集装置 [6.7.M]、 横向套准控制 电机 [8.9.K]和纵向套准控制电机 [13.14.L] 间连线为通讯总线。
2、根据权利要求 1所述的轮转印刷机前置式套准电控全自动系统， 其特征在于： 所述的 标样采集装置 [6.7.M]， 分别对应安装在各版滚筒 [4.5.N] 的前方。
3、根据权利要求 1或 2所述的轮转印刷机前置式套准电控全自动系统， 其特征在于： 所 述的横向套准控制电机 [8.9.K]和纵向套准控制电机 [13.14.L]均为步进电机， 横向套准 控制电机 [8.9.K]分别配装在各版滚筒 [4.5.N]上， 纵向套准控制电机 [13.14.L]分别配 装在各版滚筒 [4.5.N] 的支架 [15.16._J]上。
4、用于权利要求 1所述的轮转印刷机前置式套准电控全自动系统的前置式套准方法，其 特征在于： 所述的轮转印刷机前置式套准方法， 其标样采集装置 [6.7.M]在套准标样 [10] 进入版滚筒 [4.5.N]前， 进行检测， 信号通过计算机 [1]、 横向套准控制电机 [8.9.K]和 纵向套准控制电机 [13.14.L], 对版滚筒 [4.5.N]进行前置套准。
5、根据权利要求 4所述的轮转印刷机前置式套准方法， 其特征在于： 在开始印刷时， 标 样采集装置 [6.7. M]将版滚筒 [4.5. N] 的位置预置于计算机 1中。
6、根据权利要求 4或 5所述的轮转印刷机前置式套准方法， 其特征在于： 在卷筒纸 [2] 按走纸方向 [11] 进入轮转印刷机中的第一个版滚筒 [3]、 并幵始印刷第一色的同时、 在该 卷筒纸边沿同时印出一个套准标样 [10],且该套准标样 [10]随卷筒纸 [2]的走纸方向 [11]、 在印刷全过程同步进入以后的版滚筒 [4.5.N] 中。
7、根据权利要求 4或 5所述的轮转印刷机前置式套准方法，其特征在于:在套准标样 [10] 随卷筒纸 [2] 的走纸方向 [11]行进到版滚筒 [4.5.N]前， 标样釆集装置 [6.7.M]将采集 到的套准标样 [10] 的位置信号， 经处理后通过连线送至计算机 [1]。
8、根据权利要求 4或 5所述的轮转印刷机前置式套准方法， 其特征在于： 计算机 [1]根 据预置入版滚筒 [4.5.N] 的位置信号与套准标样 [10] 比较， 计算出横向和纵向误差值， 经 连线将横向和纵向套准参数分别送至横向套准控制电机 [8.9.K]和纵向套准控制电机
[13.14. L]。
9、根据权利要求 4所述的轮转印刷机前置式套准方法，其特征在于： 橫向套准控制电机 [8.9. K]根据横向套准参数正（反）转,在卷筒纸进入版滚筒 [4.5. N]前，带动版滚筒 [4.5. N], 按版滚筒横向移动方向 [12]移动套准。 '
10、根据权利要求 4所述的轮转印刷机前置式套准方法， 其特征在于： 纵向套准控制电 机 [13.14.L]根据纵向套准参数正 （反） 转， 在卷筒纸进入版滚筒 [4.5.N] 前， 带动版滚 筒 [4.5.N；]， 按版滚筒纵向移动方向 [17]移动套准。
PCT/CN2004/000795 2003-08-05 2004-07-13 Systeme et procede de commande d'alignement avant pour rotative WO2005011980A1 (fr)

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